3662651266225 has 96 divisors (see below), whose sum is σ = 5767443360000. Its totient is φ = 2297296995840.

The previous prime is 3662651266199. The next prime is 3662651266259. The reversal of 3662651266225 is 5226621562663.

It is not a de Polignac number, because 3662651266225 - 2⁷ = 3662651266097 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4337229 + ... + 5112421.

It is an arithmetic number, because the mean of its divisors is an integer number (60077535000).

Almost surely, 2^{3662651266225} is an apocalyptic number.

3662651266225 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3662651266225 is a deficient number, since it is larger than the sum of its proper divisors (2104792093775).

3662651266225 is a wasteful number, since it uses less digits than its factorization.

3662651266225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775272 (or 775253 counting only the distinct ones).

The product of its digits is 9331200, while the sum is 52.

The spelling of 3662651266225 in words is "three trillion, six hundred sixty-two billion, six hundred fifty-one million, two hundred sixty-six thousand, two hundred twenty-five".